The Chelsea 221 Series Power Take-Off assembly, part number 221XCDAX-A5XK or 221XCDAXA5XK, is a 6-bolt, mechanically shifted PTO built for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. Shift actuation is wire/cable mechanical. The 1-1/4" round output shaft with keyway delivers up to 250 lb-ft intermittent torque (339 Nm), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1000 RPM. Output power falls in the 46-55 HP range. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. The cast iron housing is available in standard or low-profile configurations, and pump shafts are greaseable to limit spline fretting and corrosion. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting for compatibility with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
Wire/cable mechanical shift actuation
1-1/4" round output shaft with keyway
Intermittent torque rating up to 250 lb-ft (339 Nm); verify actual rating on application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1000 RPM
Available in standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with keyway
- Transmission Manufacturer: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP at 500 RPM / 48 HP at 1000 RPM (18 kW at 500 RPM / 36 kW at 1000 RPM)
Additional Information
